Flutter App Development Services

OS-System can identify, and analyze your requirements and address all your project needs to create mobile solutions that meet the needs of users, businesses, and industries. Using Flutter provided by Google, we can improve your business and open up new opportunities with high-quality cross-platform app development services for iOS and Android platforms

READ TESTIMONIALS FROM OUR CLIENTS ABOUT OUR WORK

Years

in web & mobile app development

40+

Developers

experienced

in software engineering

120+

Clients

satisfied with the

project results

300+

Projects

successfully

completed

Benefits of Flutter development

Flutter apps are suitable for 99% business task

One code for all platforms: Android, iOS and Web

Less expensive and faster development process

A living community with many professional developers

Dart is a Flutter programming language that is created by Google

Flutter app performance is close to native app performance

Our Flutter projects

Utilitium

Mobile app for utility consumers built with Flutter. The app allows you to transfer metre readings for water, electricity, and gas, pay bills, and call masters such as plumbers, electricians, and others. This application made it possible for consumers to pay for utilities immediately after the transfer of readings, without waiting for the invoice to be sent.

Technology: Flutter, Angular, Angular Material UI, Node.js, NestJS

Pickup Sports

IOS Android Web

Development from the scratch of a mobile app for children that will allow parents to add their children, organize and participate in sports events for children, indicating a specific location. The design was based on the client's wireframes. Authorization is organized in four ways - via Google, Apple ID, SMS or email. For soulfulness and originality, the tutorial left images of children's games, which were hand-drawn by the client's children. The end result was a fun, kid-friendly mobile app.

Technology: Flutter, AWS, Angular, NestJS, OpenStreetMap

Ingo Medical Center

IOS Android

Development from scratch of a mobile application for the clients of the medical center. The creation of the app was done by integrating the existing backend, which had been developed on the client side, which required communication and synchronization between the two teams.

Using the program, users can:

view doctors' schedules and make their own appointments
acсess their own medical documents
see their appointments with the doctor and the results of these appointments
ability to attach patient documents has been implemented
authorize by phone number with an SMS code

Technology: Dart, Flutter, MobX, Flutter libs (Connectivity, Google Maps, Dio)

SmartFields

IOS Android Web

The SmartFields team created a cross-platform mobile app by mixing of academic agriculture knowledge, satellite weather data, local specific of region and AI, designed for offline use in any agricultural areas. It helps farmers monitor crop health, manage irrigation, and respond to pest threats in real time. By providing a user-friendly interface, it ensures seamless interaction for both novice and experienced farmers, enhancing their ability to make informed decisions and increase productivity while reducing waste.

Technology: Flutter, Angular, AI integration

What you get by choosing us

Expert Team

A team of 40+ professionals with 15 years of experience in app development

Full Transparency

Transparency of work, keeping client fully informed of development progress

Build an App Your Clients Will Love and Use Regularly

Truly in-demand application that your clients will use on a regular basis

Comprehensive Assistance

Help with publishing the app in stores and training staff on how to use the app effectively

Lifetime Support for All Your Application Needs

Lifetime support for any questions regarding your application

Cutting-Edge Technical Expertise with the Latest Technologies

Technical expertise using the latest technologies and methodologies

If you have an interesting app idea and want to start developing it, tell us and get advice from our specialists

Projects we create

The projects we create may be different. Tell us what kind of project you need

Why do you need a cross-platform app?

Universality

Using the app on multiple platforms, allows you to engage more audiences and extend your reach

Cost-effective

Reduces costs by eliminating the need to hire developers for multiple platforms

Speed

Gain a competitive edge through faster development, maintenance and time to market

Performance

Utilization of the best features of each platform that the application supports

Service

Easy and economical support and maintenance, due to a single code

If you are at the stage of business improvement and are thinking about developing an application, you can contact the experts at OS-Systems. Our team will analyse your requirements and advise you on the features you need

Stages of development with Flutter

Business Analysis

Explore the details of your business to meet project needs

Creating a Technical Task

Description of all requirements, features and development steps

Prototyping and Design

Interface prototyping and design based on new trends

Development

Development of app functionality based on approved requirements and design

Quality Testing

Checking and testing the operation of all functions

Project Deploy

Checking compliance with the platform policy to host and publish the app

Technical Support

Implementation of up-to-date functionality in the project to match the market

Tell us what stage you are at and what questions you have, and our experts will help you find a solution

FAQ

01
The cost of developing an app using Flutter from scratch starts from $25,000. For this amount, you will get an MVP version of a cross-platform Flutter app that will run on iOS, Android and the web.
02
The development of a cross-platform application using Flutter of medium complexity takes 3-5 months. The timeframe for app development includes agreeing on project specifications, creating a unique design, developing code, testing, and publishing the app in app stores.
03
To start developing a cross-platform application using Flutter, it is necessary to prepare: Specifications, which detail what developers should do and how they should do it. A project design, from which it will be clear what should look like and how.

Flutter Mobile Development